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Descriptive Set Theoretic Methods Applied to Strictly Singular and Strictly Cosingular Operators.
by
Kevin Beanland
Virginia Commonwealth University
Coauthors: George Androulakis
The class of strictly singular operators originating from the dual of a separable Banach space is written as an increasing union of w1 subclasses which are defined using the Schreier sets. A question of Joe Diestel, of whether a similar result can be stated for strictly cosingular operators, is studied.
Date received: February 21, 2008
Copyright © 2008 by the author(s). The author(s) of this document and the organizers of the conference have granted their consent to include this abstract in Atlas Conferences Inc. Document # cawu-08.